Who said, “The unexamined life is not worth living” ?

Socrates said, ''The unexamined life is not worth living.''

Socrates was a Greek philosopher from Athens.
- In fact, He is known as the ''Father of Western Philosophy'' for this reason.

His famous quotes:
- “The only true wisdom is in knowing you know nothing.”
- “There is only one good, knowledge, and one evil, ignorance.” 
- “Be kind, for everyone you meet is fighting a hard battle.”

The most famous work about Socrates:
- Apology by Plato.
- The Clouds by Aristophanes.
- Theaetetus by Plato.
- Socrates: Ironist and Moral Philosopher by Gregory Vlastos.

Source: Britannica.com